Valvert tries to insult Cyrano, telling him "Sir, your nose is. . .hmm. . .it is. . .very big!", (something that he's very sensitive to). Cyrano calmly responds that it is, but this insult was lousy, and proceeds to tell a Long List of better insults in many different styles. Than fights a duel with him, while improvising a ballad.
The truly bizarre and hilarious scene where Cyrano provides a distraction by jumping out of a tree and claiming to have fallen from the moon.
Cyrano is telling the story of how he duelled a hundred men the night before, is interrupted by Christian, who's taken the hazing bet of the other Gascons and is full pf puns about Cyrano's nose - even though mentioning anything nose related in Cyrano's presence is extremely unwise. Incensed, Cyrano asks who Christian is, ready to gut him - only to find out that he's the man Roxanne loves, and who he's sworn to look out for. Awkward. He goes back to his tale, but Christian keeps interrupting...
Taken Up to Eleven in the Jose Ferrer version. Christian says the fatal word, causing a stunned silence: